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December 29, 2015 08:29
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A simple python script that calculates timestamp differences up to 24 hours apart.
Useful if you do a lot of performance measurements by hand.
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| #!/usr/bin/python | |
| import os | |
| import getopt | |
| import sys | |
| hour = 60 * 60 | |
| minute = 60 | |
| def timeDiff(s=0, e=0): | |
| d = e - s; | |
| dh = d/hour | |
| dm = (d-(dh*hour))/minute | |
| ds = d - (dh*hour) - (dm*minute) | |
| strlist = [] | |
| strlist.append(`dh`) | |
| strlist.append(':') | |
| strlist.append(`dm`) | |
| strlist.append(':') | |
| strlist.append(`ds`) | |
| return ''.join(strlist) | |
| def splitTimeArg(t='0:0:0'): | |
| str = t.split(':') | |
| return str[0:3] | |
| def sumTime(tl=[0,0,0]): | |
| t = (int(tl[0]) * hour) + (int(tl[1]) * minute) + int(tl[2]) | |
| return t | |
| def main(): | |
| try: | |
| opts, args = getopt.getopt(sys.argv[1:], "hs:e:r", ["help", 'start-time', 'end-time', 'rollover']) | |
| except getopt.error, msg: | |
| print msg | |
| print "for help use --help" | |
| sys.exit(2) | |
| start = -1 | |
| end = -1 | |
| roll = False | |
| for o, a in opts: | |
| if o in ('-h', '--help'): | |
| print "td -s 00:00:00 -e 00:00:00 [-h]" | |
| print "Calculates the difference in time between the start time and end time" | |
| print "If end time is less than start time, the result will be negative." | |
| print "If -r (--rollover) is specified and end time is less that start time, " | |
| print " then it will be assumed that end time is the next day away and will " | |
| print " have 24 hours added to it." | |
| sys.exit(0) | |
| if o in ('-s', '--start-time'): | |
| start = sumTime(splitTimeArg(a)) | |
| if o in ('-e', '--end-time'): | |
| end = sumTime(splitTimeArg(a)) | |
| if o in ('-r', '--rollover'): | |
| roll = True | |
| if start == -1 or end == -1: | |
| print "Please specify start and end time" | |
| sys.exit(2) | |
| if end < start and roll: | |
| end = end + 24*hour | |
| print timeDiff(start, end) | |
| sys.exit(0) | |
| if __name__ == "__main__": | |
| main(); |
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